CN211707683U - Dust removing device for grinding roller of flour mill - Google Patents
Dust removing device for grinding roller of flour mill Download PDFInfo
- Publication number
- CN211707683U CN211707683U CN202020053629.3U CN202020053629U CN211707683U CN 211707683 U CN211707683 U CN 211707683U CN 202020053629 U CN202020053629 U CN 202020053629U CN 211707683 U CN211707683 U CN 211707683U
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- CN
- China
- Prior art keywords
- sealing cover
- dust
- negative pressure
- roller
- grinding
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000428 dust Substances 0.000 title claims abstract description 46
- 238000000227 grinding Methods 0.000 title claims abstract description 30
- 235000013312 flour Nutrition 0.000 title claims abstract description 21
- 238000007789 sealing Methods 0.000 claims description 78
- 238000005086 pumping Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 3
- 238000003801 milling Methods 0.000 abstract description 10
- 238000004880 explosion Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 208000023504 respiratory system disease Diseases 0.000 abstract description 2
- 241000209140 Triticum Species 0.000 description 4
- 235000021307 Triticum Nutrition 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Crushing And Grinding (AREA)
Abstract
The utility model relates to a technical field is made to the flour, concretely relates to milling machine grinding roller dust collector, which comprises a housing, be equipped with the axle bed in the casing, the one end suit of roller is in the axle bed in the grinding roller, lie in the corresponding casing outside installation sealed cowling of axle bed, the outside of sealed cowling is equipped with the suction pipe, the suction pipe is in the same place with the sealed intercommunication of sealed cowling, through mutually supporting of suction pipe and sealed cowling, just can avoid the excessive condition of dust, and the suction pipe that sets up through axle head one end, can make other position dust excessive condition in the milling machine show and reduce or disappear, high durability and convenient use, and avoided the staff because of receiving the respiratory disease that the dust influence causes, also prevented when too big because of the dust proportion that contains in the air, meet the condition that the naked light can take place the dust explosion.
Description
The technical field is as follows:
the utility model relates to a flour makes technical field, concretely relates to milling machine grinding roller dust collector.
Background art:
the wheat is ground by a flour mill when being made into flour, the flour mill is generally a double-roller flour mill, dust can overflow when the flour mill is used for milling flour, a rubber gasket is arranged between shells of the flour mill by bolts and is tightly sealed, the flour mill can be sealed, so that the dust can not overflow, but a shaft end of a grinding roller is sleeved in a shaft seat, the shaft end needs to rotate in the shaft seat and can not be sealed by the rubber gasket, a gap can exist between the shaft end and the shaft seat, the dust can float out through the gap between the shaft end and the shaft seat, the gap between the shaft end and the shaft seat can become a main part for dust leakage, the floated ultrafine dust can not only influence the health of workers in a workshop, when the dust overflows too much and the proportion of combustible dust contained in the air is too large, if exposed fire occurs, dust explosion can occur, and the personal safety of workers is endangered.
The invention content is as follows:
when preparing flour to the milling machine, the problem is spilled over in the gap between axle head and the axle bed that flour can pass through the milling machine grinding roller, the utility model provides a milling machine grinding roller dust removal device, through mutually supporting of taking out negative pressure tube and sealed cowling, just can avoid the excessive condition of dust to the take out negative pressure tube that sets up through axle head one end, can make the excessive condition of other positions dust in the milling machine show and reduce or disappear, convenient to use, and avoided the staff because of receiving the respiratory disease that the dust influence causes, also prevented because of the dust proportion that contains in the air when too big, meet the condition that the dust explosion can take place for naked light.
The utility model provides a scheme that its technical problem adopted is: a dust removing device for a grinding roller of a flour mill comprises a shell, wherein the grinding roller is arranged in the shell, and the dust removing device is characterized by further comprising a shaft seat, a flexible sealing layer, a first sealing cover, a second sealing cover and a negative pressure suction pipe, the shaft seat is arranged in the side wall of the shell, the shaft end of the roller shaft of the grinding roller is sleeved in the shaft seat in a matching mode, the first sealing cover is arranged outside the shell corresponding to the shaft end, the first sealing cover is bowl-shaped, the flexible sealing layer is annularly fixed on the bowl opening of the first sealing cover, the first sealing cover is fixed on the outer side of the shell through the flexible sealing layer, the first sealing cover is soft in material and has certain supporting performance, the second sealing cover is arranged in the first sealing cover, the second sealing cover is bowl-shaped, the bottom of the second sealing cover is fixedly connected with the first sealing cover, the second sealing cover is hard in material, the first sealing cover is provided with the negative pressure suction pipe, one end of the negative pressure, the other end of the negative pressure pumping pipe is hermetically connected with a suction pump or a negative pressure air net in a workshop.
Further, an air valve is arranged on the negative pressure pumping pipe.
Furthermore, a branch pipe extends out of the negative pressure pumping pipe.
Furthermore, the negative pressure pumping pipe is a plastic coiled pipe.
Further, the flexible sealing layer is fixedly connected with the machine shell through bolts.
The utility model has the advantages that: the utility model discloses there are four kinds of beneficial effect.
Firstly, simple structure, simple to operate, only need during the use with the sealed cowling fix with the grinding roller axle head the casing outside corresponding can, can take off the whole dust that overflows from axle head and axle bed gap department, avoided the excessive condition of dust.
And secondly, through the mutual matching of the sealing cover arranged at one end of the shaft end and the suction pressure pipe, the dust overflow condition of other parts in the powder grinding machine can be obviously reduced or avoided, and the health of workers is guaranteed.
Thirdly, through setting up the pneumatic valve on taking out the negative pressure pipe, can adjust the suction size of taking out the negative pressure pipe, the staff can adjust out the suction of equidimension not as required, convenient to use.
Fourth, first sealed cowling material is softer and have certain support nature, and when being the negative pressure in the sealed cowling, first sealed cowling can drive the sealed casing outside corresponding with the axle head of second sealed cowling firmly, and the flexible sealing layer of the annular installation of first sealed cowling bowl mouth can carry out the secondary seal simultaneously, makes the dust can not fly away.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view of the present invention.
Fig. 3 is one of the schematic views of the usage status of the present invention.
Fig. 4 is another schematic structural diagram of the present invention.
Fig. 5 is a schematic structural view of embodiment 3.
In the figure: the device comprises a machine shell, a roller shaft, a shaft seat, a flexible sealing layer, a first sealing cover, a negative pressure pumping pipe, a second sealing cover, an air valve and a branch pipe, wherein the machine shell is 1, the roller shaft is 2, the shaft seat is 3, the flexible sealing layer is 4, the first sealing cover is 5, the negative pressure pumping pipe is 6, the second sealing cover is 7.
The specific implementation mode is as follows:
the present invention will be further explained with reference to the drawings and examples.
In view of the above, the present embodiment provides a dust-removing device for a grinding roller of a pulverizer, as shown in fig. 1-3, comprising a housing 1, a shaft seat 3 is arranged in the side wall of the machine shell 1, the shaft seat is fixedly sleeved in the side wall of the machine shell 1, a grinding roller is arranged in the machine shell 1, a roller shaft 2 at one end of the grinding roller is sleeved in the shaft seat 3 in a matching way, the roller shaft 2 can rotate in the shaft seat 3, a first sealing cover 5 is arranged on the outer side of the shell corresponding to the roll shaft 2, the first sealing cover 5 is bowl-shaped, the first sealing cover 5 is made of silica gel and has certain support property, the bowl mouth annular of the first sealed cowling 5 at the bowl form is fixed with flexible sealing layer 4, and secondary seal can be realized to flexible sealing layer 4, prevents that the excessive dust that comes out from drifting away, and first sealed cowling 5 is fixed on casing 1 and the corresponding outside of roller 2 through 4 back-offs of flexible sealing layer to flexible sealing layer 4 passes through bolt seal to be fixed on casing 1.
The second sealing cover 7 is arranged in the first sealing cover 5, the second sealing cover 7 is made of hard materials and has good stability, the second sealing cover 7 arranged in the first sealing cover 5 is bowl-shaped and is in an inverted buckle shape, the inverted buckle direction is consistent with the inverted buckle direction of the first sealing cover, the end face of the bowl opening of the second sealing cover 7 does not exceed the first sealing cover 5, the bottom of the second sealing cover 7 is fixed at the inner bottom of the first sealing cover 5, and a backing ring is annularly arranged at the bowl opening of the second sealing cover 7; the outer side of the first sealing cover 5 is provided with a negative pressure pumping pipe 6, the negative pressure pumping pipe 6 is a plastic coiled pipe, one end of the negative pressure pumping pipe 6 penetrates through the first sealing cover 5 and is communicated into the second sealing cover 7, the negative pressure pumping pipe 6 is in sealing connection with the first sealing cover 5, the other end of the negative pressure pumping pipe 6 is in sealing connection with a negative pressure air net or an air suction pump in a workshop, the air of the sealing cover can be pumped out through the negative pressure pumping pipe 6, and dust in the air can be pumped out along with the air.
When the flour mill grinds wheat to prepare flour, dust drifts and overflows into the first sealing cover 5 through a gap between the shaft end of the roller shaft and the shaft seat, at the moment, a negative pressure air net or an air suction pump in a workshop starts to work, the air pressure in the first sealing cover 5 is smaller than the external air pressure to form negative pressure, the first sealing cover 5 is made of silica gel, the first sealing cover can be shrunk and tightly attached to the outer side wall of the machine shell 1 under the condition that the internal part is the negative pressure, the first sealing cover 5 can drive the second sealing cover 7 in the process of shrinking and tightly attaching to the machine shell 1, the second sealing cover 7 is sealed and fixed on the outer side wall of the machine shell 1 through a gasket, at the moment, the dust drifted and overflowed through the gap between the shaft end of the roller shaft 2 and the shaft seat 3 can be sealed in the first sealing cover 7, the dust in the first sealing cover 7 is collected through the suction force of the shaft end 6, and the roller shaft 2 is matched with the suction pipe 6, the condition that other positions dust is excessive in the flour mill can be obviously reduced or disappear, and under the action of the negative pressure pumping pipe 6, the dust drifted out through the gap between the shaft end at the other end of the roll shaft 2 and the shaft seat can also be obviously reduced under the action of the negative pressure pumping pipe 6, so that the drifted and excessive dust is greatly reduced.
Example 2 a grinding roll dust removing apparatus of a pulverizer in this embodiment will be described mainly focusing on the difference from example 1.
In this embodiment, as shown in fig. 4, an air valve 8 is arranged on the suction pipe 6, so that a worker can control the size of the suction force of the suction pipe 6 by adjusting the air valve 8, the suction forces with different sizes can be adjusted as required, the use is convenient, and the size of the suction force does not need to be changed by adjusting an air suction pump or a negative pressure air net.
Example 3 a grinding roll dust removing apparatus of a pulverizer in this embodiment will be described mainly focusing on the difference from example 2.
In this embodiment, as shown in fig. 5, a branch pipe 9 extends from the negative pressure pumping pipe 6, one end of the branch pipe 9 is in sealed communication with the negative pressure pumping pipe 6, and the other end of the branch pipe 9 is in communication with the sealing cover, so that dust overflowing from gaps between shaft ends and shaft seats of a plurality of grinding rollers can be removed simultaneously through the extended branch pipe 9.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, and any modification, equivalent replacement and improvement made within the spirit and principle scope of the present invention should be included within the protection scope of the present invention.
Claims (5)
1. A dust removing device for a grinding roller of a flour mill comprises a shell, wherein the grinding roller is arranged in the shell, and the dust removing device is characterized by further comprising a shaft seat, a flexible sealing layer, a first sealing cover, a second sealing cover and a negative pressure suction pipe, the shaft seat is arranged in the side wall of the shell, the shaft end of the roller shaft of the grinding roller is sleeved in the shaft seat in a matching mode, the first sealing cover is arranged outside the shell corresponding to the shaft end, the first sealing cover is bowl-shaped, the flexible sealing layer is annularly fixed on the bowl opening of the first sealing cover, the first sealing cover is fixed on the outer side of the shell through the flexible sealing layer, the first sealing cover is soft in material and has certain supporting performance, the second sealing cover is arranged in the first sealing cover, the second sealing cover is bowl-shaped, the bottom of the second sealing cover is fixedly connected with the first sealing cover, the second sealing cover is hard in material, the first sealing cover is provided with the negative pressure suction pipe, one end of the negative pressure, the other end of the negative pressure pumping pipe is hermetically connected with a suction pump or a negative pressure air net in a workshop.
2. A mill roller dust-removing device for a grinding mill according to claim 1, characterized in that a gas valve is arranged in the suction pipe.
3. A mill roller dust-removing device for a grinding mill according to claim 2, characterized in that a branch extends from the suction pressure pipe.
4. A mill roller dust-removing device for a grinding mill according to claim 1, characterized in that the suction tube is a plastic coil.
5. A mill grinding roll dust removal apparatus as claimed in claim 1, wherein said flexible seal is bolted to the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020053629.3U CN211707683U (en) | 2020-01-11 | 2020-01-11 | Dust removing device for grinding roller of flour mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020053629.3U CN211707683U (en) | 2020-01-11 | 2020-01-11 | Dust removing device for grinding roller of flour mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211707683U true CN211707683U (en) | 2020-10-20 |
Family
ID=72823024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020053629.3U Expired - Fee Related CN211707683U (en) | 2020-01-11 | 2020-01-11 | Dust removing device for grinding roller of flour mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211707683U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113618560A (en) * | 2021-07-28 | 2021-11-09 | 中国核电工程有限公司 | Core block dry grinding device and system |
-
2020
- 2020-01-11 CN CN202020053629.3U patent/CN211707683U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113618560A (en) * | 2021-07-28 | 2021-11-09 | 中国核电工程有限公司 | Core block dry grinding device and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201020 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |